Dear Apache Devs, We are currently looking into automatic analysis techniques to discover bugs in concurrent software that are caused by the memory consistency models implemented in today's multiprocessors. (Intentionally) racy program parts may thus exhibit unexpected behaviour, caused by, e.g., delayed writes to memory. Such errors tend to be hard to reproduce and their root causes are often very hard to diagnose.
We thus think that automated analysis tools could be very valuable, yet we need to test drive our tools to understand whether they are able to find these errors on real code. As such we are asking developers of highly concurrent software for input. Our question is thus: is anyone of you aware of current or fixed concurrency-related bugs in Apache's httpd that might have been caused by cache effects? Thank you very much in advance, Michael
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